Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

I cannot talk, but I always reply when spoken to. What am I?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

What has one eye, but can’t see?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?